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JVM reserve 2 slots for node predecessors/successors in CFG

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This commit is contained in:
Dmitry Petrov
2021-07-14 07:33:12 +03:00
committed by teamcityserver
parent 6c2d93bb8b
commit d65d66c03a
1 changed files with 2 additions and 2 deletions
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compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/ControlFlowGraph.kt
+2 -2
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@@ -11,8 +11,8 @@ import org.jetbrains.org.objectweb.asm.tree.*
class ControlFlowGraph private constructor(private val insns: InsnList) { class ControlFlowGraph private constructor(private val insns: InsnList) {
private val successors: Array<MutableList<Int>> = Array(insns.size()) { ArrayList() } private val successors: Array<MutableList<Int>> = Array(insns.size()) { ArrayList(2) }
private val predecessors: Array<MutableList<Int>> = Array(insns.size()) { ArrayList() } private val predecessors: Array<MutableList<Int>> = Array(insns.size()) { ArrayList(2) }
fun getSuccessorsIndices(insn: AbstractInsnNode): List<Int> = getSuccessorsIndices(insns.indexOf(insn)) fun getSuccessorsIndices(insn: AbstractInsnNode): List<Int> = getSuccessorsIndices(insns.indexOf(insn))
fun getSuccessorsIndices(index: Int): List<Int> = successors[index] fun getSuccessorsIndices(index: Int): List<Int> = successors[index]